00467nas a2200181   4500000000100000008004100001260001300042653001100055653002300066653002500089100001400114700001300128245004200141856007300183300000800256490000700264022001400271       2001                            d  c2001 Mar10aHumans10aSocial Environment10aTerminology as Topic1 aBarnett E1 aCasper M00aA definition of "social environment".  uhttp://www.ncbi.nlm.nih.gov/pmc/articles/PMC1446600/pdf/11249033.pdf  a4650 v91  a0090-0036